Oligotrema
Oligotrema is a genus of marine tunicates.
Species
Oligotrema lyra Monniot C. & Monniot F., 1973Oligotrema psammatodes Oligotrema psammites Bourne, 1903Oligotrema sandersi Oligotrema unigonasSpecies names currently considered to be synonyms:Oligotrema arcticus Hartmeyer, 1923: synonym of Asajirus arcticus Oligotrema indicus : synonym of ''Asajirus indicus''